Shoe sewing machine



April 25, 1933. 1 TQPHAM 1,905,074

SHOE SEWING MACHINE Filed March 27, 1928 12 Sheets-Sheet 1 April 25, 1933- L. E. TOPHAM SHOE SEWING MACHINE Filed March 27, 1928 12 Sheets-Sheet 2 f M Kai/M? April 25, 1933. 1.. E. TOPHAM 1,905,074

' SHOE SEWING MACHINE Filed March 27, 1928 12 Sheets-Sheet 3 jig.7 1kg .6 .9 @Jdzfiw L. E. TOPHAM 1,905,074

SHOE SEWING MACHINE April 25, 1933.

12 Sheets-Sheet 4 Filed March 27; 1928 Filed March 27. 1928 12 Sheets-Sheet 5 April 25, 1933. L. E. TOPHAM SHOE SEWING MACHINE Filed March 27, 1928 12 Sheets-Shet 6 77?? a w I 4; 5%

April 25, 1933. L. TOPHAM 1,905,074

SHOE SEWING MACHINE v -Filed March 27, 1928 12 Sheets-Sheet 7 April 25, 1933.

L. E. TOPHAM SHOE SEWING MACHINE Filed March 27. 1928 12 Sheets-Sheet 8 April 25, 1933. 1.. E. TOPHAM SHOE SEWING MACHINE V12 Sheets-Shet 9 Filed March 27, 1928 April 25, 1933. E. TOPHAM 1,905,074

SHOE SEWING MACHINE Filed March 27. 1928 I 12 Sheets-Sheet 10' L. E. TOPHAM SHOE SEWING MACHINE l2 Sheets-Sheet 11 Filed March 27. 1928 April 25, 1933.

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u m mwy-h ummmm L. E. TQPHAM April 25, 1933.

SHOE SEWING MACH Filed March 27, 1928 12 Sheets-Sheet l2 3% Q R N View i Ei'gsi-lria nd areideteil'views-illustrating a, poxitioniof the iconnections: for actuatiin g the welt cutting knife-from thea wl segment E ig.f 116:- is an end view of the machine pantly in section and with finan wpart'sf omitted,

--looking from"the right in ig. 1 Fig. 17 is -51. 1 detail View lin front=elevation partlyxin section of the two carriers by which thework feeding devices are reciprocated together ith their actuating mechanism Fig; '18 is l a detail View of anarln :formingithqpoftion of the connections for reciprocating-the -n'eedle carrier; Fig. 19 is a view in front "eleh "vation ofthe needle carrier Fig;20 is a detail sec tion'al lan vi'ew taken on -the line 20-.20 of "Fig.- 17'; igL-21 is a detailsectional'planview taken onth'e line 21-21 of Fig. 17 Fig. 22

5 is e-detail View of the mechanism for; actuat- M ing the slide by which-the presser foot, work support andewlg are reciprocated, the link which is a'djustably mounted-on the slide be- 1 *i'ng swung out of its normalpositioninorder to-more clearly-show the link connections;

i Fig. 23 is ai view similar toJ-Figxf22' 'of the meehan-isni'for actuating theneedle carrier;

Fig. 24 is a" detail sectional view on the line;

of Fig. 22 ;'-Fig.' 25 is l a detail sectionel View on the :line 25 25 of Fig. {23 F26-is a, detail view in front' elevation 0' partlyin sectionillustrating' particularly the -presser foot and its associated partsyFigiQ? ism detail -sectional view .on' a somewhat smelller scalethan Fig. 26 takeri onthelinei 27-27"of said'figure; Fig. 28 aidetail sec- "tional plan View taken on the line 28 28 of K'Figj 26 :F ig1 29 is wdeta'il' vertical sectional taken on th'line2929 ofFig. 26; Fig.

30 is a View in rear elevation of the machine -illustrating particularly the driving "and stopping mechanism; Fig. 31 is v av vertical sectional-View of theqnmehine looking to- Wai'ds'theright inFig. 80-and-taken one plane at the left of the driving and stopping .mechanismf'Fig'. 32 is afdetaiIseetiOnel view taken on apple-ne slightly toithe leftof the plane ig. 31 in Fi'gJ 30,-'illustratingparticu- "la rly the positive stopping dog of the stop *mechanism;Figl 33 is a detail view of cer .tein of the parts 'illustratediniFi 2 31, but do'okingin the opposite direction; ig. 34 is a, vertical longitudinal sectionalfvieW of the driving and stopping: mechanism; Fig; '35 is a *cross 1 sectional"-'vieW "-t'aken on the line 35 35 of Figf-Syand Figii36-is a detail v cross sectionalview taken on the line 36- 36 -of Fig; 34.; i M I The"cui'ved hook needle' of the'n aehine is indicated at 38, the needle gu-idefat 40,f the I awl at 42, the thread arm-M 44. the'loop 0 "spreader at 46,"the looper: at485' the shuttle at 495'thetakeupht fiO; the euxiliary'te-keup at 52, the thread "clamp I at '54,; the tension wheel at 56,- the wor-k support 11158 and the "pressen foot at-;ell of these parts except as hereinafter specifically described: 'having f suhstentially. Lthe:same' eonstructioni t nder; I I if. *rangement, andibeingioperatedythrough'lthe same mechanismsas in-the machine disclosed in the patent to French and 'Meyerf-Noii 473,-

870 herein-beforerefenredto. T 5 5A5; in .Ltheinee" "e n r the 'Ei'ench andflMeyer patent the j 1 {needle is mounted in a. segment 62;. {L This segment inste'edof being actuated directly; wfromthe needle cam lever Miahow'ever isact- 1 uated thereby through twolintermediatepin to zin jawlsegmentlwhich issactuated es inJ the machine oftheFrenchiandMeyerzpatent directly from .thei awlusegmentlever68. w"

'l In the machine i lustrated; thexfeedr of'the *work is prodnod 'byithezwork suppoi't;press--j er foot and needlefthese parts being mounted 3 V H I -"to move back and forthin theline .of feed i Wand being actuated-to impart acontinuous gwi zfeeding ntovement toithe :work. f To pi-oduce f'this continuous feedingifmoyementcthe needle 5 moves in the direction of feed- .whilei inwene Mgagementwith thework and whileithe work 7 v -=is unc lamp ed bythe zwork support, and;pres-Fi;-.90.; i

ser foot, the back feed'ofthe work sup rt and presse'r foot? .taking' iplacef duringgithe" ifeedingfinovementof the needle. )Theqwo'rk support: and :presser foot are relttivelyi aot- :& u'ated to clamp the ork and; move lin fth'eiidi-vifl V I re'ction offeed While the workis g'olamped to continue the feedingyofthe; work endladur gaport and presser'foot the needleiis 'back fed.

JThe a'wlis mounted tozinovetback and forth'il'QO "'ainjthe line ,of feedhwith'itheWork-support and presser l:'oot',"-:jbeing: back "fed. while u out of the Work Witl1:-the;presser footsand Work support, and being. actuated Ito! piercefthe' Work 1 during the 'teedingmmovement 1 Work support ELIIdiPI'GSSGX'qJfOOh-z 1' riersf' are provided on -one j of Which the -needle is mounted andyto-the other' Of=WhlCl1i nth'e. 'awlg the WOI'k supportend the; presser, foot-ere connected. j-

1 (Y1; The needle carrier -(see'Figs; 1 2,f17;.and 19); comprises fibossji'? which the stud 72 forming thepivot'al supp {segment is mounted; a .portion' 7 4- extending downwandly from the: boss 70, at-bar {4'65 ex -tendingerearwardly.in the direction; otifeed from the portion 74;,and a block 78: through -the upper endofwvhich the end of; the ,barqgo 76 extends andt0-Whiehit is adjustablyiconn'ected by means of adjusting nuts-BOmOunt- Q ed on thebar and engagingitheoppositesides ot gth bloclLfi'iAt its forward end the needle carrier issupported byi neans of a link 82" annihichis pivotaly: .mounted' atlits upper end" ionthemechirie frame by a pivot pinfid pess r f "izing-l'thronghve ;p'erforation86 inithelink.

l Theiz 'pivotal; connections-betweenthe needle q l 1 carrier: end thelink' :82: is; formed-by piYotf ;'-1 3 0 V ing' this afeedingfrnoi einent of the work-slip offtheta c'ios Toijreciprooate the-Work 'feeding' wback'and forthinitheglineaoff feedytwovcan 1 L ort of. the needlejillfi I I :pifil88 eecilredg ih'e prer fj oratioriandgpassing througheperforatiop. 92 inthe I .n'e'e,d1e. carrier; {At it',SY'-,:.IEQLI" 'ehdithek heedle merrierie supported-lbyineans.eflinks 94 (see t Fig. 2); Whiph I are ivm11y S1ipp0rtec1- at v f theirf iipper endsflon thei-rhaehine frame- 5 96 "and pivotal'l-y :cohnected :at -their 1eweii ends osthe' 13100 11778at QSLCThe links' 82 anew it f- 0% "The, carrier recipre'catmg the W0rkfs1i p- V portend:preseer ioot eonsistsof a s l-idefiinw gferthfinthe linelof fe'jedbyfiWo mechanisms i nee-ted it 104 to "the: machine frame; 3 The 'fQthei'. endfof the "arm 102 is; pivotally conw thi }construction eQdOwhWa'rdTswihging rhox ement :Of; the amt-1'02about the pix/9t rri' ovementofthe mmwiu move the slideferaward- 1 7 thefdiljection offed; iTof wing [thefamifai-link 114; is p'ivotedl-atits lower:

end atflOG to the arm; andfat its 'upperfend is piv0ta11y eonneetedto the horizontal arm 6f zt-ibellgcrank l'lfi;1 Thisbell crank isl-pivetany mounted 1110011 a pivot stud 11 8 e'ndet J the upper end of its vertical arm engages a,. w -cam groove ihba' eam disc-120 on the-cem- I shaft @122 Qf the machine. The mechanism for' reciprecatin gthe needle carrier is simi 2 1 wh'ichi ferm s a part Of the; needle whe t Theme 124 lat its pivotal onnecti fi with V the-"lirik 126 is cehneetedtoiithe lewerehd:

" f of 511 11: 12. ,th uppf 'o h is @911- 'netedte'fthe horizontalflar-rn of a hellgerank I Thiebell erank is also mounted an the vetistud' 118 'Whiehfshpports' the" belliere'n k V -'-grbove which =aet1iates {the bell ferank L116; -With'ffthis['c0nstructi0n, a portien of the T will be seen thateach .ofthezcalfrier re-' .ciprocating;mechanisms can be; adjusted to' Vary the m vement of the carriefectuatedby' e -it,-1 by changi11gw-thek osition of-the I jpi'votal" ben stituteiin effect,parallelsupportihglinks V point 110 and since this pointiis common to :7

which: permit-aback and forth movement of -.-the: needle carrier'to move the needlewlinj'a' ,1 I t 'tvill; adjust1 simultaneouslyifajld 'ina, correurv slpondifigginennerbeth mechanisms. lnjthe construction 'sh0W.n, k an jadjustment 40f the- =p0int110 is secured by'ztdjustebly mounting the support 112 on the slide 1095:? The siu'p-r L port 2j i 'thQ' QImkOf lazyok llrwiul-gz;the 1 pivotal connection 11(1 for the link ,1'Q84and' arm 124 at itsuppervjend} andhavirig, ite v "downwardly. and reerwardl'y extending arms. 7 1 ivotally mounted ,uperrea'rs projeeti ng upi dicated'at'lOOin unted in the machine frame-f gandhavf'ingf the same general shape; as the; feedfslide of the machine'of the French and 1 {The earners arefreclprocated 'b ack and 7 r '7 ceachofwhieheomprises carn'andebnnecj t'ions iftotnszthe 'cemrq-zt'ov the carrier].= prThe mechanistn. for ireciprgocating' the/slide .100 (seejFigs-i 141', ,t0- 16,-1 7, anc1 '22); comprises "1 04 "will 1 move the. "'islide- 100 frear wardly 1n 'the' line"Off-feed andjthe upward swinging supp rt'1-12 serve to letkthej s'upport in'ed- :justedfpbsitionand constitute; a;1CQI YQnient V rneans'j byTWhichboth-. carrier}reciprocatingmechanisms; can be simultaneously;adjusted1 I during the operation 40f itllle mechine 191";f at any ether time as theQper-etQrQmay desire:- "'Pins l38 may be inserted in the pefforetions lar to thatfor ret'ziproczttin g theslide lQO apt]. comprises a swinging arm .124- having lts-e flower ndjeennected by a link 126". arms gwork and-alsb can be given forward movement with; meme the needle to cover the empty hook of, the needle after the loop of needletzlth-readighas .=beenj;%taken-from flthe-hobk; arid thereby prevent.{the needle x thread from hatchingH-on theqbarb'a f (the, hook d'urin'g the "continuedj manipula tipn ef the ,thread "inn-forming,"theif I stitch." Theyneedle ,guide actuating mech-e fariism alsoiihcludeS-grt' new; and 'imprp-yedf iriechani sm 'for actuat ihg the needle terrier fi r 's; a connection hetween the s lide 100- zmd movedlb bothrmeehan isms a movementfgf thisp'oint theneedle Carri-eh 'so; that the-'i'needle carrieri 5 iselmoved ibacklandrflforth with thejslideEb'y'f time slidigreciprocating fimechanism I and gisf y its actuatingmechanisin with rel'aJ-f I yoke sh'apedsupport 112 extends z dow-rl wdrd 1y beyond its" pivetgesjbest; shown in Figs, 16 end 1'7 [and is: 1 provided with Segmental? bevetgear teeth meshing-withicorresppnding segmental bevel gear teeth; formed: on the up per end of ashort ertical,shaft132 mqunted {in} theslide 100. To the lowerend ofithe 195 feeerlred which lever eXtendsJearWitrdlyand et it oqter. end isformedgte. en1brace a fper. for tedf gu d ng egm n l36 l T e QQnne tions fromtheleVer 1 34 tdtheryokejehaped shaft, 132 a, ;mani1a11y fo'perable leyerj 134i, is

in. theplate 1'36 to limit the movement pf the adjusting lever 134 t0 desired ezgtent. i

Y. The needle s egment is mounted directly;

on the'pivqt stud-72 and the needle guide is mounted on the fhuh.of the needlesegment. V For vaetuatingthe .needle guide va novel and improved mechanism is provided whereby the needle guidei'can be driven-frictionally to cause it to move towards and 1 from vthe meansfOr'idriving thejheedle gui'de'frictionguide actuating mechanism 1 is bestishewnr in TFigs; 12'ar1dl3fl-Asishown in' these figures, t'hefneedlelguide is provided ith'an'arm ex;

V tnaing;;r'adiallysinisth fIfQI nnthIJpbrtiOD;

and forthiand against theiupperssurfaeeiofg 7 With relatibn ing mounted 'on' the bushing-15 5% as to be" a supper-ting pivotfip'in 5160- extending I shoe 14021 Thisshoewisforced-iqutwardly byb '"a spring 1142 set in ra .reeessfin'the erinzagainstr V a .irictionisurfacen 144. fdi'medcon the needle segment; and the g j on th'e bamb of the needle during the e0ntinued- V 20- in L-the' 1 illustrated:- eonstructidn, Ja, projection .i

is insits lretraeted position; and .a, movement being -imparted? to the thread .:-arm;; at .the i cause the lower end: bf'itheknotchi to engageii tion and is 'mounted fupen a standard 5150 g Which -rises :fr'o'm th'e forward end. oftthef slide": 100. The work support I thus i rmoyesw 1 with the sl ide -b'afck and forth in the lines;

ranged td'reeiproca te back and forth in the line Of feed withthe werk support and to:

"p ortin of 'the i leven enga'gei correspondingi oppesite. directidn iengagmgisthe; lledlflfiiili Swhic'h: isgrnounted .a; friction :i

the. outer ie'ndcof slidingilnovement 'back't Hild orm initheYlin of: :feed. f.-'1 5T0 pause." the front ipo'rtion of 1 th lever: :to: move With the feed; s1id.ii1'00 ziriseg mental flange a l66'fis'i fermedn on the! ifron portion and engages; a corresponding-.5 rece inzthestand'and 1 5OI LOfJthe slide 310 z lheimechanism for eretuatingjthe pressera foet lev'en zandufonil'ockingithe leverevfith thepresser ifoot V in avengigement with :the wdrkii siinilan to.- .thatyxdiscldsed fixi athe patent T 1 French fend Meyer; hereirihefdre;ireferred and comprises actuatinglflrandi;lockinglpawl '168 and l70a engaging respectivelyqthe'iaetu' atingi lever 172 i ('seeig': I 6)92-and the re a portiOm'ofthe presser foOtIleVen lSS. :An Lefiic'ie'nt wand: nevelnnechtphismi p vided;"howeverygfor1un-l0cking and liftingitheii presserfootmanually; andralsb'sfqnunlqekingi segment concentric; ,withi the fax-is :of the: segs-l nient. A-zsi mple,f= reliablerand eflicient cone; nectiong is: thus provided betweenlthe:iieedle g needle fguide, Whibhauwill; act to :inove r the :needle guide frictionally 1 back;

the presserifdot. regardless thlCkIIeSSlOfthGAWOIkZQf 1' i .7

Aftrthe needle lo'epzhas been taken{from the I needle; it is desirable! to" advances; the needle'i guide :tor'; close the: needle hook-wind; thereby iprevent thaxth-read gfromivca'tehingi ()f .the. Varying' 'IDM'IiPUIatlOIILQfiffbh threadK'ineforming the; 1., stitehE;.:Aecording1y;means are provided for? imparting sueh 1 a movement; to' the needle. guide. Z Asnafcenvenient means for produc-i. ingthis movement the threa d' armrisl utilized uponzstopping theanaehine. for s unloeking. 51nd} liftingiitheiapressereglfootti I comprises! a liftingelevenv x 17 4;- efsee, F igst iglGfii 26anfd 27f) piyot'e-lly'kmounted :lipbnfa: portion of i the niachine'i'fram'e a'ndhaving itsi forward Rw -being provided; on thel n'eedle guide 'an-f ranged t0 :extendinto a notch 148 1 formed -0 nv the thread arrn slide when the needleag'uidei proper point in the cycle, iof ope'rations ml76- 'ipixiotellysupportedll uponxthe*reamendt;

U V 158-aIfd; f0iminglaii r parthof :the usii'alrth-reedl measuring meche= 100 his-m. Wi-th-thisearrangernentgof"the levers: V "174 a gddwnwardqlnioveinent; depresses the reainjend of the the paWIs' i168 .EendINOhdye been: li'ievediout of engagement withitheir rcooperating fetch 1 ets andeliftsj the :prsserlfoot ffern theilwbjrk lnforidergto' movethe pawals l 68 end 170 int the projection end' mqve the needle -guidew:

' to the needle indicatedun ofithefpresseni foot zlever The worksuppdrt 58 zis of usual eonstruc a of feed. The nwl segmentr ifs also lnountedi; inthe standard-150% usua lin outs 'm s e sewing machinesL The pressen-zf ogt- 60 (see i Figs; 26, 28; :and 29)is seeured tothefront p o'rtion 1 52 of thef presserifeet g 'leverq The presser foot lever is piyotal'ly mounted- 'ugona hollow bushing 154' secured 111 a; Pro] .ect on 15 6 forming a; portion 0f the mae'hine fr'ame;

bott e'be lifted fe-ipewldisengagingmembers. 1782 is r provided mounted? to sl idei ajzsub 5 stantiallyilhonizentel -rdireetien and provided with; arms ati itsl-refarjend adapted torengzige gr pins on therp awls and mbve rthepaiwls .1130; anus The: pre'ss'er yfdot; as} has been 1 stated is are inoperative position vv' hen'1a;rear mdyenrentlisd J i imparted to .themember. 178:5; At itszfiorwar 1 endjfthe Inemhe'rj "178 iais iz-m'ountedir in ,a dtsl'ott allow-it to sdmo vethepresser fofot lever is formed: 'imaweb? 180 foriiningialpart; oi? the made in tWO'partS the rear p0rtidn=l58 be -mzichinevframe. Oneaehzsideof theiwehi=180x V V V -thermember'ltffiis:prievidedfwithia prdjeetilig held against movement ith IthB' 'Slld B 100; fi aiigeJISZ-QWhiQhIflzingesali mitgtheimeyemen and the'fro'nt portion 152*of the-lever being; ot the {m'embergl-T 8 in each dire'eti'onz' as elea nioh'nt'edto slide with relation t0 the reair ly s'hownninzFrgs 18" 9 portion: The-front {portion of the" lever is ing the vmember" 17 8 :fo werdly. and 'beck; formed :at its rearend "to straddle the front Wardly ranactuating memben1184i iprouideds "end of the "rear pqrtion and 'is previded-with pivotally mounted upenthehushing 1545 m actuatinglcennectionbetween,thermenibersw' I through the *hbll'ow bushing 154; j;Guiding and. the. m"e' 1nber;=17 8fis fdi-med by a; segmental surfaces. indicated 'at- 162 and m depending" portions. (if-thew member:184Liwhich1eextends rib I 164 fdrmed" on the rear' end fof the front r throughithe sj1ot=in- T the WBbFISOlMtF-OIIB side surfaces andi' iaicorrespondingjreeessstormed 3 levertogether-whilegpermittingethereletive" andbliftingLtheg presser foo automatically; V hemechtnismqwfi inoperative positionsseka tqallnwithe pressr .1

its; I

' momma clamped between the- WQ lfk support and "pre sserfoot.'- As-the' awl Withdraws from the work 'the awl segment camjlever moves tothe position indicatedin'Figr15 allowing} the shaft 242 to be*rocked; by a? spring 252- connected toanarm 1on1 the rock 'shaftiso operation areverselygdriving frictionclutch;

as to release-the lever-232;}-

The edge: gage of the machine :isindicated I at: 254 -and comprises: an arm extendingfilat erally ,fromtheupperend of a vertical; rock shaft 256 mounted in'the standard 150 of the 5.3slide100. ,Thelower end o'f therock shaft is provided with a gear teeth which mesh; with rack teeth 'forinedaonithe slide 216 so that 1 rocking movement is imparted to the rock} shaftwh enever the slide 216 is moved; as

9ehereinbefore described. This IOC-klng 1I1OV6 ment of 'tllB -IOCk-Sllflfl] moves the edge gagebackand forth transversely of the line offeed a to vary the position of; the; outseain 1 on a shoeinthe manner customary inthe sewing 2530f Goodyear wel-tshoes. I t i I Itfis a common practice in sewing, the outseams' of; Goodyear Welt shoes to change the length of stitch in passingfrom the shank' portiomof a shoe on to the fore; part, to move %ethe-edge gageLforward at this time, and also to move the-knife whichcnts a stitch receivingaigrooveor-fslit in the Weltihtobperative t lposition and to-reverse these operations inpassing from the fore part back" intoivthe; ?,3shank. To enable the machine illustrated "in" therdrawings to be operated inthis manner the actuating lever "arm 23Q hereinbefore' re ferred to is connected to-Ithefeed adjusting lever 134and in order thattlie edge gage may- 425be-1ocked= securely in 3 advanced; position 1 against a any possibilityof; displacement,

locking device is provided for locking the :ac.

- tuating lever arm in one of its'positionsfl;v In

the illustrated construction (see Figs. 1 ,20

- a :?2and2l) a latch 258 is pivotally mounted on the outer end of the actuating leverarm 230 so as to have a limited movement with relationto-the arm; and is connected at its outer end-bymeans of a link 260 to thefeedfad- @Qzjustinglever 134. Theinner;end of the latch 258 is shaped to engage? a notch in; a locking plate 262 adjustably clamped on the lower end of the bearingfor thewertical rock shaft 228. A spring 264 connected to the inner end i riof the latchtends to movethelatch in a direc 'tion to en gagethe locking-plate; 5 Except for the lockingnotch the surface of the locking movement of the latch: 258 in the opposite di- -'3.1"ection a' -with relation i to} the eleven f arm I230.

on ;the driving pulley 268 ;and a cooperating i 1'friction'surface on the hand Wheel270,.:1-The moved intoandout-of engagement with'the};

shaft'286engagin'ga worm wheel formed on The'factuating g-leverj arm? 230 is thus ilocked kg unlockedand actuated;by movementsrtranss which; is thrown into; operation; in, stopping the machinewhich retards,"stopsandreverse L ly, rotates {the cam Ishaft 'at'a low'speed :to" j final fstopping positiongifland avtimingjcam, 1- for throwing ;the reversely drivingi fricti'on 9 l clutchinto-and outofoperation! m The high Speed forwardly driving; sass, fT; i clutchcomprises amclutch surfacewformed hand=iwheel is rigidly secured to -a sleeve 2 72", keyed to the camshaft 122, and-the pulley; 268 is mounted to'rotate looselyandislideon the sleeve 272'. The 'dri'ving pulleyi268 this};

hand wheel: 270 by la clutch' shiftingjleverj 274-on'e end ofwhich engages-gthe hubof the 7 pulley' 268 and the other end" of k'w'hichiex-i tends betw'eencollars 276 secured tothe rod 278 onnected to the startingjan'd stoppin treadle; w

The marsh ;driving eiuth which "is thrown into2operation ininstopping the n'a chine comprises a driven clutchmember-1280 integral with af sleeve 282 inountedr onf the I sleeve 2721 and=a V drivingflclutch member 284: mounted to rotate loosely on the sleeve "272,

and drivenfcontinuously,at1acomparativelyI lowspeed by a continuously rotating worm;

the driving clutch'member. The worm 286 1 isdrivenby a belt passingioverfapulley 288'f I V secured to the rear endof theshaft carryingfl, the worm 2 5- driven umcnmmem 280 of-the reverse drii'ving clutchiis connectedE I;

to the handwheel 270 seasto irotate iathallg times withthe hand'wheel andjfwith the cam :F if shaft 122 butis mounted tosl-ide longitudie nally onthe sleeve -27 2 and is"normal-1y.liel'd; v out 20f engagement with the -driving;=clut ch;. member 284: by springs 290- acting on plung ers securedhto a flange-292 rigid with the" member 280 and operating withinhollowgf 1 studs 294 secured to thehand wheel {270 and1 .129, Q. fflange 292. j While the members 268 a'nd 2 Z0 a v projecting into perforations formed in the are in engagement and the-carnshaft is be-; ingvdriven'in' a forward direction the iclutch members 280 and 284 areoutof engag mgnt V 1,, r and rotating in opposite directionsi- 1 12.0 v e'ti'm ng :-f 1?- mldvingtheclutches, 1 a -l;1n'embe1' i28O into andont of engagementwithG the reversely ro tatingi clutch member 28e a'is indicated at 296-andismounted-ch me -clntchii it member 280- [so ass .to ,move longitudinally; 

